Duncan died Oct. 8 of the disease, and Pham and Vinson, who were caring for him, were diagnosed the following week.

But all 11 of those with confirmed exposure to one of the three while they were symptomatic -- including the members of Duncan's family who shared his apartment while he was ill -- have now passed the 21-day Ebola incubation period without coming down with the disease, the agency is reporting.

Of the 166 people for whom exposure couldn't be ruled out, 113 have completed surveillance and the remaining 53 will be out of the woods Friday unless they develop symptoms, the Texas Department of State Health told MedPage Today. The incubation period for Ebola ranges from 2 to 21 days, but most infections make themselves known 8 to 10 days after exposure.

Meanwhile, the only Ebola patient currently under treatment in the U.S., Craig Spencer, MD, remains in New York City's Bellevue Hospital but he's now in stable condition -- an improvement, the hospital said, from serious but stable.

The review showed, the department said in a statement, that the "individual's exposure was not consistent with how Ebola is transmitted." The person's movements will not be restricted but health department officials will still monitor temperatures and symptoms twice a day.

"The individual poses no public health threat," the statement said.

Another of Spencer's friends and his fiancee remain under quarantine.

Spencer had contracted the virus while caring for Ebola patients in Guinea, but had no symptoms until 9 days after he left the West African country, where the outbreak began almost a year ago.

When he developed a fever Oct. 23, he was immediately taken to Bellevue by ambulance workers wearing full protective gear, and isolated.

In Maine, nurse Kaci Hickox, RN, said she won't go into the center of Fort Kent -- the small town where she has a home -- and will avoid crowded places, even though a judge agreed with her Friday that she poses no risk to the public and could do so if she wishes.

Hickox's high-profile fight against an imposed quarantine began when she was forced to spend several days in a tent outside Newark's Liberty airport by New Jersey state officials because she had just returned from caring for Ebola patients in Sierra Leone.

She had no symptoms, and under CDC guidance she should have been subject to monitoring for 21 days since her last exposure. But she arrived just after Spencer had been diagnosed and New Jersey Governor Chris Christie and New York Governor Andrew Cuomo had both decided to ignore the CDC and impose a mandatory quarantine on returning Ebola-fighters.

Eventually, New Jersey officials decided she could return to Maine by car, but Maine Governor Paul LePage also tried to put her in quarantine.

"When Governor Christie stated that it was an abundance of caution, which is his reasoning for putting healthcare workers in a sort of quarantine for 3 weeks, it was really an abundance of politics," she said.

"And I think all of the scientific and medical and public health community agrees with me on that statement," Hickox said.

Saying nurses are still not getting the training and equipment they need to fight Ebola, a nursing union says it will stage walkouts across the U.S. on Nov. 12.

“Nurses, who have been willing to stand by the patients whether it’s the flu, whether it’s Ebola, whether it’s cancer, are now being asked to put themselves in harm’s way unprotected, unguarded,” the union’s executive director, Rose Ann DeMoro, said in a statement.

“Every RN is one patient away from being exposed to Ebola, the message nurses are being given across the nation is that they are expendable,” DeMoro said. “You don’t ask the nurses to put their lives on the line and then not protect them.”

The union is in contract negotiations with Kaiser Permanente and with Providence.

On a more heart-warming note, Bentley, a Cavalier King Charles Spaniel, was reunited Saturday with nurse Nina Pham after spending 21 days in veterinary quarantine at Texas A&M University in College Station.

Pham was released from hospital just 2 weeks after her diagnosis, but Bentley had to spend another week in quarantine, tended by veterinarians in full protective gear, before he and Pham could be together.

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